.edit_btn{
    position: absolute;
    right: 0px;
    top: 10px;
}

.user_historys_box{
    position: relative;
}
.example-card {
    width: 140px;
    margin: 6px 4px;
    position: relative;
}

.dateBox{

}
.dateBox .dateTitle.mat-list-item{
    background: none;
    font-size: 16px;
}
.dateBox .mat-list-item{
    border-bottom: 1px solid #3f51b5;
    cursor: pointer;
    text-align: center;

}

.dateBox .mat-list-item:hover,.dateBox .mat-list-item.active{
    background-color: #3f51b5;
    color: #fff;
}
.dateBox .mat-list-item:hover a{
    color: #fff;
}


.delete_checkbox{
    position: absolute;
    left: 0;
    top: 0;
    width:100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4);
    z-index:6;
}
.delete_checkbox .delete_input{
    position: absolute;
    left: 10px;
    top: 10px;
    width: 26px;
    height: 26px;
    background: #fff;
    border: 1px solid #fff;
    z-index: 8;
}
a.primary{
    color:#999;
}



.handel-box{
    padding-top: 20px;
}



.history-title{
    text-align:center;
    white-space:nowrap;
    overflow:hidden;
    text-overflow: ellipsis;
}
.history-title a{
    color: #999;
    font-size: 14px;
    line-height: 20px;
}
.history-chapter{
    text-align:center;
    white-space:nowrap;
    overflow:hidden;
    text-overflow: ellipsis;
    margin-top:5px;
}

.history-chapter a{
    font-size: 12px;
}